Seems a good idea - but beforehand decide which festivals a worthy of being updated. The ones that come into mind are ROSFEST, NearFest, BajaProg, Progday, Summers End, Night of the Prog (Loreley, Germany), The Portuguese festival which name I can't remember, Symforce, - any more that would be big enough to attract Moonies?
And of course any other festival that attract big names (Rush, Dream Theater excluded
)